A) a new spectrum will be formed on the screen with double the number of colours present in the previous spectrum
B) new spectrum will be obtained on the screen with only half the number of colours present in the previous spectrum
C) previous spectrum will disappear and we will obtain a white light formed by the fusion of the colours
D) a spectrum with same number of colours present in the previous spectrum will be formed but their wave lengths will be increased twice
Correct Answer: C
Solution :
White light is composed of seven colours. The seven colours together join to form white light again.You need to login to perform this action.
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